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165 results for “reproductive patterns”
Fig. 1 in Fig. 7 in Reproduction of the Blue Jack Mackerel, , in Western Portugal: Microscopic Gonad Analysis Reveals Indeterminate Fecundity and Skipped Spawning Patterns.
Fig. 1. Map of Portugal showing the continental slope: the surveys were conducted along the coast at 20–300 m deep (represented by the rectangle in the figure).
Figure 5 in Temporal variation in the reproductive pattern of blood cockle Anadara antiquata from Pakistan (northern Arabian Sea)
Figure 5. Temporal variation in gonad index (GI) of male and female A. antiquata from Phitti Creek and Sonmiani.
Figure 3 in Temporal variation in the reproductive pattern of blood cockle Anadara antiquata from Pakistan (northern Arabian Sea)
Figure 3. Photomicrographs of A. antiquata: A–D: stages of spermatogenesis; E–H: stages of oogenesis. A, E: Developing; B, F: Ripe; C, G: Spawned out; D, H: Resorbing. Abbreviations: F - Follicle, Sc - Spermatocytes; St - Spermatids; Sz - Spermatozoa; Ef - Empty follicle; Ct - Connective tissue; Og - Oogonia; Pvo - Previtellogenic oocyte; Vo - Vitellogenic oocyte; N - Nucleus; n - nucleolus; Mo - Mature oocyte; Ao - Atretic oocyte.
Figure 5 in Reproductive pattern and sex hormones of Calotes emma Gray 1845 and Calotes versicolor Daudin 1802 (Squamata; Agamidae)
Figure 5. Photomicrographs of annual changes in C. versicolor. Top left, testes; top right, male SSK; bottom left, ovaries; bottom right, granulosa layers (GL). Notes: SZ, spermatozoa; ST, seminiferous tubules; SSK, sexual segments of kidney; AF, atretic follicle; PF, previtellogenic follicle; VF, vitellogenic follicle; P, pyriform cells; S, small cells; CL, corpus luteum.
Figure 6 in Reproductive pattern and sex hormones of Calotes emma Gray 1845 and Calotes versicolor Daudin 1802 (Squamata; Agamidae)
Figure 6. Annual profiles (mean ± SEM) of testosterone levels and testicular masses (a) C. emma; (b) C. versicolor. Notes: Jan– Dec denotes January to December. The numbers (in parentheses) represent the number of analyzed samples in each month.
Figure 3 in Reproductive pattern and sex hormones of Calotes emma Gray 1845 and Calotes versicolor Daudin 1802 (Squamata; Agamidae)
Figure 3. Schematics of seasonal changes in ovarian size. Top, C. emma; bottom, C. versicolor. Notes: OvaF, ovarian follicles; OviE, oviductal eggs; Ovi, oviduct. All scale bars equals 5 mm. Jan–Nov denotes from January to November.
Figure 2 in Reproductive pattern and sex hormones of Calotes emma Gray 1845 and Calotes versicolor Daudin 1802 (Squamata; Agamidae)
Figure 2. Schematics of annual changes in testicular size. Top; C. emma; bottom, C. versicolor. Notes: T, testis; Vd, vas deferens; K, kidney. Jan–Dec denotes from January to December. All scale bars equal 5 mm.
Figure 4 in Reproductive pattern and sex hormones of Calotes emma Gray 1845 and Calotes versicolor Daudin 1802 (Squamata; Agamidae)
Figure 4. Photomicrographs of annual changes in C. emma. Top left, testes; top right, male SSK; bottom left, ovaries; bottom right, granulosa layers (GL). Notes: SZ, spermatozoa; ST, seminiferous tubules; SSK, sexual segments of kidney; AF, atretic follicle; PF, previtellogenic follicle; VF, vitellogenic follicle; P, pyriform cells; S, small cells.
Figure 1 in Reproductive pattern and sex hormones of Calotes emma Gray 1845 and Calotes versicolor Daudin 1802 (Squamata; Agamidae)
Figure 1. External morphologies of the representatives of 2 Calotes species. Top, C. versicolor: A, no patch of granular scales in front of forelimb insertion; bottom left, C. emma: B, crescent-shaped patch of small granular scales in front of forelimb insertion, and C, large postorbital spine present. Bottom middle, dissections of urogenital morphology of male Calotes: T, testis; Vd, vas deferens; K, kidney; bottom right, female Calotes: OvaF, ovarian follicles; OviE, oviductal eggs. Lines were drawn from a total preparation (in ventral view).
Figure 7 in Reproductive pattern and sex hormones of Calotes emma Gray 1845 and Calotes versicolor Daudin 1802 (Squamata; Agamidae)
Figure 7. Changes in the plasma levels of estradiol and the diameter of the largest follicle: (a) C. emma; (b) C. versicolor. Notes: QU, quiescent; EV, early vitellogenic; LV, late vitellogenic; EG, early gestation; MG, mid-gestation; LG, late gestation. Data are presented as mean ± SEM. The differences in superscript alphabets (estradiol levels) and in the numbers of asterisks (diameters of the largest follicles) indicate the significant differences between the various follicular sizes at P <0.01. The number (in parentheses) represents the analyzed samples in each month.
Figure 2 in Reproductive patterns of Trachycephalus venulosus (Laurenti, 1768) and Scinax fuscovarius (Lutz, 1925) from the Cerrado, Central Brazil
Figure 2. Females of Trachycephalus venulosus (A–C) and Scinax fuscovarius (D) collected at Serra da Bodoquena, MS, Brazil, from October 2000 to September 2001. Relations between: (A) BM versus NME (NME5106.47BM2217.34, n523, r250.40, P50.001); (B) SVL versus NME (NME5168.86SVL29171.74, n522, r250.19, P50.04); (C) BM versus OM (OM50.259BM21.24, n523, r250.46, P,0.001); (D) BM versus OM (OM50.302BM20.8302, n512, r250.30, P50.06).
Figure 1 in Reproductive patterns of Trachycephalus venulosus (Laurenti, 1768) and Scinax fuscovarius (Lutz, 1925) from the Cerrado, Central Brazil
Figure 1. Number of individuals present in monthly samples (black bar is total of individuals of Trachycephalus venulosus and stippled bar is total of Scinax fuscovarius) and rainfall per month at the study site (black circle is total rainfall during the study and black triangle is rainfall during 4 days of study per month).
Fig. 10 in Sexual development and reproductive pattern of the Mutton hamlet, Alphestes afer (Teleostei: Epinephelidae): a dyandric, hermaphroditic reef fish
Fig. 10. Pathways of the reproductive cycle of Alphestes afer showing the steps of protogynous hermaphroditism steps according to histological evidences observed. The schematic figures represent a portion of the histological section observed in microscopic. Fbi (Im), immature bisexual female; Tr(Rp), transitional ripe; TR(Sp), transitional spent; TR(Re), transitional resting; PM, primary male; SM, secondary male.
Fig. 9 in Sexual development and reproductive pattern of the Mutton hamlet, Alphestes afer (Teleostei: Epinephelidae): a dyandric, hermaphroditic reef fish
Fig. 9. Relationship between gonasosomatic index (I) and G size (T) of ripe females (n = 31) and males (n = 33) of Alphestes L afer during the reproductive peak (August up to September 2008, 2009).
Fig. 5 in Sexual development and reproductive pattern of the Mutton hamlet, Alphestes afer (Teleostei: Epinephelidae): a dyandric, hermaphroditic reef fish
Fig. 5. Monthly distribution of number (N) of females of Alphestes afer in sex change during reproductive cycle (from March 2008 up to October 2009); I, gonadosomatic index. G Fbi (Im), inactive bisexual phase of female; Tr(Re), transitional phase of resting; Tr(Rp), transitional phase of ripe; Tr(Sp), transitional phase of spent female; Rc, reproductive cycle (n= 17).
Fig.7 in Sexual development and reproductive pattern of the Mutton hamlet, Alphestes afer (Teleostei: Epinephelidae): a dyandric, hermaphroditic reef fish
Fig.7. Monthly variation analysis of the gonasosomatic index (I) of Females (I F; n=200) Males (I M; n=57); and fat G G G deposited in the mesenteries (Mesenteric fat – Mf F; Mf M) of Alphestes afer from Pernambuco coast. Error bars show standard deviation of original data.
Fig. 4 in Sexual development and reproductive pattern of the Mutton hamlet, Alphestes afer (Teleostei: Epinephelidae): a dyandric, hermaphroditic reef fish
Fig. 4. (left column) Females with bisexual and transitional phases in Alphestes afer. (a) Section showing a gonad in bisexual phase of immature female (bar = 50 μm) (16.1 cm T; L May 2008). (a*) Detail of spermatic crypt in major magnification of same specimen (1000x; bar = 20 μm). (b) Section showing a gonad in transitional phase of resting female with sperm crypts spread among ovarian tissue (bar = 50μm) (19.8 cm T; May L 2009). (b*) Detail of spermatic crypt (1000x; bar = 2μm). (c) Section of ovary showing transitional phase of spent female with sperm crypts around vitellogenic stage oocyte (bar = 50 μm) (21.1 cm T; October 2009). (c*) Detail of spermatic crypt L (1000x, bar = 2 μm) O = primary growth stage oocyte; dot = 1 degenerating ovarian tissue, scr = sperm crypts; mb = muscle boundle; O3 = vitellogenic stage oocyte; atr = atretic vitellogenic oocytes; spd = spermatides.
Fig. 2 in Sexual development and reproductive pattern of the Mutton hamlet, Alphestes afer (Teleostei: Epinephelidae): a dyandric, hermaphroditic reef fish
Fig. 2. Photomicrographs of histological sections from males Alphestes afer gonads. (a), (b) Section from a ripe male (a - bar = 300μm, 15.1 cm T; September 2008; b - bar = 37 μm, 19.0 cm L T; August 2009). (c) Section from a ripening male with residual L previtellogenic oocytes (bar = 50μm; 21 cm T; June 2009). lu L = lumen, spz = spermatozoa; ro = residual oocytes.
Fig. 3 in Sexual development and reproductive pattern of the Mutton hamlet, Alphestes afer (Teleostei: Epinephelidae): a dyandric, hermaphroditic reef fish
Fig. 3. Photomicrographs of a histological section from male Alphestes afer spermatogenesis stages. (a), go = spermatogonias, (b), spcI = spermatocytes in first stage (bar = 5μm); (c),spcII = secondary spermatocytes (bar = 2.5μm); (d), spd = spermatides (bar = 2μm); (e), spz = spermatozoa (bar = 2μm) (18.6 cm T ; September 2009).
Fig. 6 in Patterns of energy allocation to reproduction in three Amazonian fish species
Fig. 6. Variation of CFI - cavity fat index (a), GSI - gonadosomatic index (b), muscle energy (c) and gonadal energy (f), by gonadal development; CFI (d) and GSI (e) by hydrological cycle (July/2004 - June/2005) of Pygocentrus nattereri.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.